This is a brand new diaphragm for a marine ship or car air horn, made by IBUKI KOGYO in Japan. The diaphragm is designed to produce clear and loud sound when the horn is activated. It is an essential component for any vessel or vehicle that requires a reliable warning signal. The item is categorized as an antique under the maritime bells, whistles, and horns category. Its aspects include the type of horn, which is an air horn, and the country/region of origin, which is Japan. The maker of this diaphragm is IBUKI KOGYO, a well-known manufacturer of high-quality marine equipment.